To the purchaser If you have a valid Certificate of Authority, you may use Form ST-121 to purchase, rent, or lease tangible personal property or services exempt from tax to the extent indicated in these instructions.

1 THE LADDER OF DIVINE ASCENT St. John Climacus Translated by Archimandrite Lazarus Moore (Harper & Brothers, 1959) An Ascetic Treatise by Abba John, Abbot of the monks of Mount Sinai, sent by him to Abba John,